[Invest-forum] Erosivity units are incorrect for sample data
noreply at ecoinformatics.org
noreply at ecoinformatics.org
Tue Feb 15 15:25:04 PST 2011
Erosivity units are incorrect for sample data
http://invest.ecoinformatics.org/discuss/tier-1-sediment-retention/479064604/229780461
Hi, all - Thanks to the astute eye of one of our users, we have found
that the units on the erosivity layer that is packed with the InVEST
sample data are incorrect. The units are (100
ft.tonf.in/(acre.hr.yr)), which are standard US units, when they need
to be in metric for our tools: MJ-mm / ha-h-y. If you want to convert
the layer you already have, multiply it by 17.02. I have also put an
updated version here: Erosivity for Willamette sample data (metric) .
The units on the US erosivity map that is also available on that page
are correct. ~ Stacie
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